what is utf 8 encoding

We often meet in the development of the NSData conversion to nsstring, or through nsjsonserialization parsing JSON scene, once NSData contains illegal UTF-8 encoding, then the result will be returned nil, but the result is not in line with our

UTF-8 encoding. the layout is affected by BOM headers, and garbled characters are removed! Rt, html/php/mysql are encoded with UTF-8 in a unified manner. If php uses the BOM encoding format, the page layout will be affected. If include exists in php,

How does php convert UTF-8 encoding to gbk simplified? As the question. I will convert the traditional big encoding to simplified ones ., Then we need to convert big5 to simplified and complex conversion, and use mb or iconv for encoding conversion.

How does php convert UTF-8 encoding to gbk simplified? As the question. I will convert the traditional big encoding to simplified ones. ------ Solution ------------------ convert big5 to simplified and complex conversion requires a code table. for

PHP's mail function to send UTF-8 encoding Chinese mail when the title garbled solution, Recently encountered a problem, is to use the PHP mail function to send UTF-8 encoded Chinese messages when the title garbled phenomenon, and the message body

Transferred from: http://www.cnblogs.com/xdp-gacl/p/3496161.htmlTo create a JSP page in Myeclispe, the default encoding for the JSP page is "Iso-8859-1", as shown in:There is no way to save a JSP page under this encoding, and the following error

I. Unicode Introduction Unicode can be encoded using any of the following character encoding schemes: UTF-8 UTF-16 UTF-32 A Unicode encoded file has a flag, as shown in the following code: Unicode file header IDByte-order mark

Decoding: Shape Begin: vCard Version: 2.1n; charset = UTF-8; encoding = quoted-printable:; [= E5 = 86 = B7 = E6 = b1 = 9f] FN; charset = UTF-8; encoding = quoted-printable: [= E5 = 86 = B7 = E6 = b1 = 9f] Tel; cell: 13099999999x-irmc-luid: 000200

Is json data garbled in non-UTF-8 encoding? Authority said that json data in non-UTF-8 encoding will be garbled? Authority Reply to discussion (solution) It won't be the same as the encoding of your file. Therefore, the json_encode ()

PHP Chinese garbled is one of the common problems in PHP development. PHP Chinese garbled sometimes occurs in the Web page itself, some generated in the process of MySQL interaction, and sometimes related to the operating system. Here's a

Asp.net| Code | conversion In a recent system, a problem has been encountered with the UTF-8 encoding of the trading system, while some support systems use GB2312 encoding. Different coding of the pages, the script to each other, will produce

When I wrote the front-end HTML page of the Windows application yesterday, I found a strange problem, a simple JS code, actually executed the error.function Replacesymbol () {var val_exp = $ (' #calc_expression '). Val (); alert (val_exp);

If the use of Iconv () function conversion code is relatively simple, but many virtual host does not support this component, I find a half-day on the Internet, only to find a gb2312 to Utf-8 method, but not reverse conversion. This function is as

Coding | function |gb2312|utf-8 Today, we are doing a mobile phone messaging interface to clients, because the interface of the SMS service provider only supports the Chinese UTF-8 encoding way, and the customer's website is GB2312 code, the page

Database designMultimedia websites, small programs, mobile development are inseparable from the background system, must use the database.The database design consists of four main steps:1. Demand AnalysisThe main results are: Requirements Analysis

The default encoding of the mysql database is not UTF-8. After installing mysql, start the service and log on to the mysql database. Run the show variables command to view the default encoding of the mysql database: The character set of the

Article 2: Java character encoding Series II: Unicode, ISO-8859-1, GBK, UTF-8 encoding and mutual conversion  1. Function IntroductionIn Java, a string is encoded in Unicode. Each character occupies two bytes. The two major functions related to

UTF-8 encoding. the layout is affected by BOM headers, and garbled characters are removed! Encoding layout garbled UTF-8 php Rt, html/php/mysql are encoded with UTF-8 in a unified manner. If php uses the BOM encoding format, the page layout will be

Article 2: JAVA character encoding Series II: Unicode, ISO-8859-1, GBK, UTF-8 encoding and mutual conversion  1. Function IntroductionIn Java, a string is encoded in Unicode. Each character occupies two bytes. The two major functions related to

In the long talk, I am confused about many people's problems. If they are not well handled, they are all garbled characters. I am not very proficient in coding, but I have to be careful in this regard, I have summarized a little experience (PHP